A system for controlling refrigerant flow in an air conditioning system employing an electrically operated valve for controlling flow of refrigerant from the condenser to the evaporator. Separate thermistors sense the temperature of the refrigerant entering and discharging from the evaporator. A comparison...http://www.google.de/patents/US4848100?utm_source=gb-gplus-sharePatent US4848100 - Controlling refrigeration
